#    Copyright 2008, 2009 Tri-County Electric Cooperative, St. Matthews, South Carolina
#    This file is part of COOPGIS.
#    COOPGIS is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#    COOPGIS is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#    You should have received a copy of the GNU General Public License
#    along with COOPGIS.  If not, see <http://www.gnu.org/licenses/>.

#************************BEGIN Add Include Files to Path************************
import sys
NeededPaths=['/opt/coopgis/djangoproject/include', '/opt/coopgis/djangoproject']
for path in NeededPaths:
    if(not path in sys.path):
        sys.path.append(path)
#************************END   Add Include Files to Path************************
import COOPGIS_Ajax, COOPGIS_FormMisc, COOPGIS_FormGeography, COOPGIS_FormPoleTreatment, COOPGIS_GPS, COOPGIS_Misc, COOPGIS_ReportLab
import COOPGIS_FormRoadEditor, COOPGIS_String, COOPGIS_Update
import os, csv, shutil, datetime, time, reportlab, djangoproject.settings, random
from django.contrib.gis.db import models
from django.contrib.gis.geos import *
from django.http import HttpResponse
from django.contrib import admin
from django.template import Context, loader
import djangoproject.settings
import _mysql as mysql
from models import *
from django import forms

def RoadEditor(request):
    ApplicationName=djangoproject.settings.COOPGISRoadEditorApplicationName
    UserNameOrIPAddress, DefaultMap=COOPGIS_Misc.GetUserNameOrIPAddress(request, GetDefaultMap=True, ApplicationName=ApplicationName)
    LoginStatus, applicationPermission=COOPGIS_Misc.CheckLoginPermissions(request, ApplicationName)
    if(not applicationPermission):
        t = loader.get_template('/opt/coopgis/djangoproject/templates/roadeditor.html')
        c = Context({'LoginStatus' : LoginStatus})
        return HttpResponse(t.render(c))
    form=COOPGIS_FormMisc.BuildForm(request, ApplicationName, DefaultMap)
    COOPGIS_FormGeography.GetAndSetDefaultMap(form, ApplicationName, UserNameOrIPAddress)
    selectionPoint, Roads, GPSStatus=COOPGIS_FormRoadEditor.ProcessRoadEditorFormSetSelection(form, UserNameOrIPAddress)
    COOPGIS_FormRoadEditor.ProcessRoadEditorFormMakeChanges(form, selectionPoint=SelectionPoint, Roads=Roads, UserName=UserNameOrIPAddress)
    form=COOPGIS_FormMisc.BuildForm(request, ApplicationName, DefaultMap)
    form=COOPGIS_FormRoadEditor.PopulateRoadEditorForm(form, selectionPoint)
    MapFileName, LayerName=COOPGIS_Misc.GenerateDynamicMapFile(ApplicationName, UserNameOrIPAddress) 
    if(Roads and (len(Roads) == 1)):
        DefaultLine=Roads[0].Line
    else:
        DefaultLine=''
    SelectedRoadSegments=0
    if(Roads):
        SelectedRoadSegments = len(Roads)
    SelectedRoadSegments = 'Selected Road Segments:  ' + str(SelectedRoadSegments)

    SelectedMilesOfRoad=0
    if(Roads):
        for i in Roads:
            SelectedMilesOfRoad=SelectedMilesOfRoad + (i.Line.length / 5280)
    if(SelectedMilesOfRoad):
        SelectedMilesOfRoad = 'Selected Miles of Road:  ' + str(SelectedMilesOfRoad)
    OpenLayersZoom=COOPGIS_Ajax.GetOpenLayersZoom(None, None, Zoom=15)
    OpenLayersJavaScriptHeading=COOPGIS_Ajax.GetOpenLayersJavaScriptHeading()
    OpenLayersJavaScript=COOPGIS_Ajax.GetOpenLayersJavaScript(OpenLayersZoom, MapFileName, LayerName,
                            OpenLayersJavaScriptHeading, GeometryFeature = 'Line')
    t = loader.get_template('/opt/coopgis/djangoproject/templates/roadeditor.html')
    c = Context({'LoginStatus' : LoginStatus, 'form':form,
                 'GPSStatus':GPSStatus, 'SelectedRoadSegments': SelectedRoadSegments,
                 'SelectedMilesOfRoad': SelectedMilesOfRoad,
                 'OpenLayersJavaScriptHeading': OpenLayersJavaScriptHeading,
                 'OpenLayersJavaScript': OpenLayersJavaScript})
    return HttpResponse(t.render(c))


